D’Addario EJ38 12-String Phosphor Bronze Acoustic Guitar Strings – Light – 10-47
String sizes as follows:
e – 10
e – 10
B – 14
B – 14
G – 23w
g – 8 (the ‘octave’ g string
D – 30w
d – 12 (the octave d string)
A – 39w
a – 18 (the octave A string)
E – 47w
e – 27w (the octave E string)
Example 27w means it’s a wound string